Add preview borders for client_resize_dir

src/client.c

@@ -7,6 +7,7 @@
 
 #include "client.h"
 #include "config.h"
+#include "event.h"
 #include "util.h"
 #include "barwin.h"
 #include "ewmh.h"
@@ -537,7 +538,7 @@ _fac_apply(struct client *c, enum position p, int fac)
 static inline void
 _fac_arrange_row(struct client *c, enum position p, int fac)
 {
-     struct geo g = c->geo;
+     struct geo g = c->tgeo;
      struct client *cc;
 
      /* Travel clients to search row parents and apply fac */
@@ -546,8 +547,8 @@ _fac_arrange_row(struct client *c, enum position p, int fac)
                _fac_apply(cc, p, fac);
 }
 
-void
-client_fac_resize(struct client *c, enum position p, int fac)
+static void
+_fac_resize(struct client *c, enum position p, int fac)
 {
      struct client *cc, *gc = client_next_with_pos(c, p);
      enum position rp = RPOS(p);
@@ -587,10 +588,109 @@ client_fac_resize(struct client *c, enum position p, int fac)
 
                return;
           }
+}
 
-     /* It's ok, resize */
-     SLIST_FOREACH(gc, &c->tag->clients, tnext)
-          client_moveresize(gc, &gc->tgeo);
+#define _REV_BORDER()                           \
+     SLIST_FOREACH(gc, &c->tag->clients, tnext) \
+          draw_reversed_rect(c->tag->frame, rgc, gc->tgeo);
+void
+client_fac_resize(struct client *c, enum position p, int fac)
+{
+     struct keybind *k;
+     struct client *gc;
+     bool b = true;
+     XEvent ev;
+     KeySym keysym;
+     GC rgc;
+     XGCValues xgc =
+     {
+          .function       = GXinvert,
+          .subwindow_mode = IncludeInferiors,
+          .line_width     = THEME_DEFAULT->client_border_width
+     };
+
+     /* Do it once before */
+     _fac_resize(c, p, fac);
+
+     /* TODO
+     if(option_simple_manual_resize)
+          returnl
+     */
+
+     XGrabKeyboard(W->dpy, W->root, True, GrabModeAsync, GrabModeAsync, CurrentTime);
+
+     rgc = XCreateGC(W->dpy, c->tag->frame, GCFunction | GCSubwindowMode | GCLineWidth, &xgc);
+
+     _REV_BORDER();
+
+     do
+     {
+          XMaskEvent(W->dpy, KeyPressMask, &ev);
+
+          if(ev.type == KeyPress)
+          {
+               XKeyPressedEvent *ke = &ev.xkey;
+               keysym = XKeycodeToKeysym(W->dpy, (KeyCode)ke->keycode, 0);
+
+               _REV_BORDER();
+
+               SLIST_FOREACH(k, &W->h.keybind, next)
+                    if(k->keysym == keysym && KEYPRESS_MASK(k->mod) == KEYPRESS_MASK(ke->state)
+                              && k->func)
+                    {
+                         if(k->func == uicb_client_resize_Right)
+                              _fac_resize(c, Right, ATOI(k->cmd));
+                         else if(k->func == uicb_client_resize_Left)
+                              _fac_resize(c, Left, ATOI(k->cmd));
+                         else if(k->func == uicb_client_resize_Top)
+                              _fac_resize(c, Top, ATOI(k->cmd));
+                         else if(k->func == uicb_client_resize_Bottom)
+                              _fac_resize(c, Bottom, ATOI(k->cmd));
+                         else
+                         {
+                              k->func(k->cmd);
+                              keysym = XK_Escape;
+                         }
+                    }
+
+               _REV_BORDER();
+
+               /* Gtfo of this loop */
+               if(keysym == XK_Return)
+                    break;
+               else if(keysym == XK_Escape)
+               {
+                    b = false;
+                    break;
+               }
+
+               XSync(W->dpy, False);
+          }
+
+          XNextEvent(W->dpy, &ev);
+
+     } while(ev.type != KeyPress);
+
+     _REV_BORDER();
+
+     /* Success, resize clients */
+     if(b)
+     {
+          SLIST_FOREACH(gc, &c->tag->clients, tnext)
+               client_moveresize(gc, &gc->tgeo);
+     }
+     /* Aborted with escape, Set back original geos */
+     else
+     {
+          SLIST_FOREACH(gc, &c->tag->clients, tnext)
+          {
+               gc->tgeo = gc->geo;
+               gc->flags &= ~CLIENT_DID_WINSIZE;
+          }
+     }
+
+     XFreeGC(W->dpy, rgc);
+     XUngrabKeyboard(W->dpy, CurrentTime);
 }
 
 void

src/draw.h

@@ -11,6 +11,7 @@
 #include <X11/Xlib.h>
 
 #include "wmfs.h"
+#include "config.h"
 
 #define TEXTY(t, w) ((t->font.height - t->font.de) + ((w - t->font.height) >> 1))
 #define PAD (8)
@@ -29,6 +30,18 @@ draw_rect(Drawable d, struct geo g, Color bg)
      XFillRectangle(W->dpy, d, W->gc, g.x, g.y, g.w, g.h);
 }
 
+/*
+ * For client use
+ */
+static inline void
+draw_reversed_rect(Drawable dr, GC gc, struct geo g)
+{
+     int i = THEME_DEFAULT->client_border_width;
+
+     XDrawRectangle(W->dpy, dr, gc, g.x + i, g.y + i,
+                    g.w - (i << 1), g.h - (i << 1));
+}
+
 static inline unsigned short
 draw_textw(struct theme *t, const char *str)
 {

src/layout.c

@@ -8,6 +8,93 @@
 #include "client.h"
 #include "util.h"
 
+static void
+layout_save_set(struct tag *t)
+{
+     struct client *c;
+     struct layout_set *l;
+     struct geo_list *g;
+     int n = 0;
+
+     l = xcalloc(1, sizeof(struct layout_set));
+     SLIST_INIT(&l->geos);
+
+     SLIST_FOREACH(c, &t->clients, tnext)
+     {
+          g = xcalloc(1, sizeof(struct geo_list));
+          g->geo = c->geo;
+          SLIST_INSERT_HEAD(&l->geos, g, next);
+          ++n;
+     }
+
+     l->n = n;
+
+     SLIST_INSERT_HEAD(&t->sets, l, next);
+}
+
+static void
+layout_apply_set(struct tag *t, struct layout_set *l)
+{
+     struct geo_list *g;
+     struct client *c, cc;
+
+     for(g = SLIST_FIRST(&l->geos), c = SLIST_FIRST(&t->clients);
+         c;
+         c = SLIST_NEXT(c, tnext), g = SLIST_NEXT(g, next))
+     {
+          if(g)
+          {
+               if(!client_winsize(c, &g->geo, &c->wgeo))
+                    client_moveresize(c, &g->geo);
+
+          }
+          /*
+           * Not enough geos in the set;
+           * then integrate remains of client
+           */
+          else
+               layout_split_integrate(c, SLIST_FIRST(&t->clients));
+     }
+
+     /*
+      * Not enough clients for geos in set;
+      * arrange clients with not set geo.
+      */
+     if(g)
+     {
+          cc.tag = t;
+          while(g)
+          {
+               cc.geo = g->geo;
+               layout_split_arrange_closed(&cc);
+               g = SLIST_NEXT(g, next);
+          }
+     }
+
+     /* Re-insert set in historic */
+     SLIST_INSERT_HEAD(&t->sets, l, next);
+}
+
+
+void
+layout_free_set(struct tag *t)
+{
+     struct layout_set *l;
+
+     while(!SLIST_EMPTY(&t->sets))
+     {
+          l = SLIST_FIRST(&t->sets);
+          SLIST_REMOVE_HEAD(&t->sets, next);
+
+          /* Set can be several times in list */
+          if(l)
+          {
+               FREE_LIST(geo_list, l->geos);
+               free(l);
+          }
+     }
+}
+
 static struct geo
 layout_split(struct client *c, bool vertical)
 {

src/layout.h

@@ -29,6 +29,7 @@
 /* Debug */
 #define DGEO(G) printf(": %d %d %d %d\n", G.x, G.y, G.w, G.h)
 
+void layout_free_set(struct tag *t);
 void layout_split_integrate(struct client *c, struct client *sc);
 void layout_split_arrange_closed(struct client *ghost);
 void uicb_layout_vmirror(Uicb cmd);

src/tag.c

@@ -45,6 +45,7 @@ tag_new(struct screen *s, char *name)
                               &at);
 
      SLIST_INIT(&t->clients);
+     SLIST_INIT(&t->sets);
 
      TAILQ_INSERT_TAIL(&s->tags, t, next);
 
@@ -182,6 +183,8 @@ tag_remove(struct tag *t)
 
      XDestroyWindow(W->dpy, t->frame);
 
+     layout_free_set(t);
+
      free(t);
 }
 

src/wmfs.h

@@ -69,6 +69,12 @@ struct geo
      int x, y, w, h;
 };
 
+struct geo_list
+{
+     struct geo geo;
+     SLIST_ENTRY(geo_list) next;
+};
+
 struct barwin
 {
      struct geo geo;
@@ -124,6 +130,7 @@ struct tag
      Flags flags;
      Window frame;
      SLIST_HEAD(, client) clients;
+     SLIST_HEAD(, layout_set) sets;
      TAILQ_ENTRY(tag) next;
 };
 
@@ -142,7 +149,13 @@ struct client
      Window win;
      SLIST_ENTRY(client) next;  /* Global list */
      SLIST_ENTRY(client) tnext; /* struct tag list */
-     SLIST_ENTRY(client) vnext; /* various list */
+};
+
+struct layout_set
+{
+     int n;
+     SLIST_HEAD(, geo_list) geos;
+     SLIST_ENTRY(layout_set) next;
 };
 
 struct keybind